The film opens with an honest cop, DSP Shiv Kumar (Sunil Dutt), arriving at a building. The violent criminal, Durjan Singh, has taken a few workmen hostage. In a daring rescue, the cop scales the far side of a building and subdues the criminal. He returns home to his wife Sheetal (Raakhee Gulzar) and their young daughter and announces that he has been transferred to Bombay.

Shiv Kumar has two brothers, Vijay (Amitabh Bachchan) and Ravi (Shashi Kapoor), who live in Bombay. They are intelligent and capable guys, but spend their time loafing about the city and swindling unsuspecting people. (Vijay poses as a diamond smuggler and secures a room at a small city hotel to lie low. The unwitting manager, played by Yunus Parvez, overhears his fictitious conversation and confronts him, eventually giving him some petty cash in exchange for the gems..........Read More